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T. rex teeth show the enormous predatory dinosaur was warm-blooded

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: New Scientist
T. rex teeth show the enormous predatory dinosaur was warm-bloodedWorldPing
Image via New Scientist.

What happened

Analysis of the chemistry of ancient T.rex tooth enamel adds weight to the idea that the fierce Cretaceous predator controlled its body temperature…

Key facts

  • Reported by New Scientist and published Wed, 16 Sep 2026 18:00:00 UTC.

Why it matters

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Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. A 240-million-year-old fossil just changed the dinosaur timeline

  2. T. rex teeth show the enormous predatory dinosaur was warm-blooded

  3. Tyrannosaurus rex teeth reveal a body temperature close to the human average

Sources

The original report was published by New Scientist. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at New Scientist

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Tyrannosaurus rex teeth reveal a body temperature close to the human averageWorldPing
Phys.org

Tyrannosaurus rex teeth reveal a body temperature close to the human average

When picturing a scaled, toothy Tyrannosaurus rex stomping across North America, building nests and eating other dinosaurs, it's easy to forget that scientists have gleaned everything we know about T. rex from clues left more than 60 million years ago.

Brief by WorldPing · Original reporting by Phys.org

ScienceDaily
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ScienceDaily

A 240-million-year-old fossil just changed the dinosaur timeline

A newly identified 240-million-year-old animal from Tanzania is forcing scientists to rethink the early dinosaur timeline. Dinodontosaurus isiyavamanda belongs to a group previously known only from South America, linking fossil deposits on the two continents.

Brief by WorldPing · Original reporting by ScienceDaily